Problem :
Find all the rational zeros of P(x) = 6x4 - x3 -55x2 + 9x + 9.
x = - 3,
- 
,
,
3.
Problem :
Find all the rational zeros of P(x) = 3x4 +10x3 -11x2 - 10x + 8.
x = - 4,
-1,
,
1.
Problem :
Find all the rational zeros of P(x) = 2x4 + x3 -14x2 + 5x + 6.
x = - 3,
- ,
1,
2.
Problem :
Factor completely: P(x) = 3x3 +17x2 + 5x - 25.
P(x) = (3x + 5)(x + 5)(x - 1).
Problem :
Factor completely: P(x) = 4x4 +13x3 -49x2 - 73x - 15.
P(x) = (4x + 1)(x + 5)(x + 1)(x - 3).
Problem :
Factor completely: P(x) = 8x4 +24x3 -34x2 - 6x + 8.
P(x) = 2(2x + 1)(2x - 1)(x + 4)(x - 1).
